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Experimentation in Two-Sided Markets

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  • Peitz, Martin
  • Rady, Sven
  • Trepper, Piers

Abstract

We study optimal experimentation by a monopolistic platform in a two-sided market framework. The platform provider faces uncertainty about the strength of the externality each side is exerting on the other. It maximizes the expected present value of its profit stream in a continuous-time infinite-horizon framework by setting participation fees or quantities on both sides. We show that a price-setting platform provider sets a fee lower than the myopically optimal level on at least one side of the market, and on both sides if the two externalities are of approximately equal strength. If the externality that one side exerts is sufficiently weaker than the externality it experiences, the optimal fee on this side exceeds the myopically optimal level. We obtain analogous results for expected prices when the platform provider chooses quantities. While the optimal policy does not admit closed-form representations in general, we identify special cases in which the undiscounted limit of the model can be solved in closed form.

Suggested Citation

  • Peitz, Martin & Rady, Sven & Trepper, Piers, 2011. "Experimentation in Two-Sided Markets," CEPR Discussion Papers 8670, C.E.P.R. Discussion Papers.
  • Handle: RePEc:cpr:ceprdp:8670
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    References listed on IDEAS

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    Cited by:

    1. Martin Peitz & Sven Rady & Piers Trepper, 2017. "Experimentation in Two-Sided Markets," Journal of the European Economic Association, European Economic Association, vol. 15(1), pages 128-172.
    2. Jullien, Bruno & Pavan, Alessandro & Rysman, Marc, 2021. "Two-sided Markets, Pricing, and Network Effects," CEPR Discussion Papers 16480, C.E.P.R. Discussion Papers.
    3. Heinrich, Torsten & Gräbner, Claudius, 2015. "Beyond Equilibrium: Revisiting Two-Sided Markets from an Agent-Based Modeling Perspective," MPRA Paper 67860, University Library of Munich, Germany.
    4. Luís Cabral, 2019. "Towards a theory of platform dynamics," Journal of Economics & Management Strategy, Wiley Blackwell, vol. 28(1), pages 60-72, January.
    5. Keller, Godfrey & Rady, Sven, 2020. "Undiscounted bandit games," Games and Economic Behavior, Elsevier, vol. 124(C), pages 43-61.
    6. Bajo-Buenestado, Raúl & Kinateder, Markus, 2019. "Armstrong meets Rochet–Tirole: On the equivalence of different pricing structures in two-sided markets," Economics Letters, Elsevier, vol. 177(C), pages 43-46.

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    More about this item

    Keywords

    Bayesian Learning; Monopoly Experimentation; Network Effects; Optimal Control; Two-Sided Market;
    All these keywords.

    JEL classification:

    • D42 - Microeconomics - - Market Structure, Pricing, and Design - - - Monopoly
    • D83 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Search; Learning; Information and Knowledge; Communication; Belief; Unawareness
    • L12 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - Monopoly; Monopolization Strategies

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